Our Members

Coalition Co-Chairs

Gary Belan – Senior Director, Water Supply Program, American Rivers

Gary Belan leads American Rivers’ clean water supply team. Gary has worked at American Rivers for the past 18 years promoting and implementing water management solutions across the U.S. as a means of reducing stormwater pollution, flooding, and water use stress on rivers. Gary is a specialist in stormwater management and planning, with expertise in green infrastructure. He has written a number of publications and articles on water management and green infrastructure and continues to engage on practical applications to advance natural infrastructure practices. Gary received a B.S. in Civil Engineering from the University of Virginia, his M.A. in Environmental Policy from American University and a Master’s Certificate in Non-profit Management from Georgetown University. He is based in Washington D.C.

Mariana Del Valle Cervantes – Water Equity and Ocean Program Manager, GreenLatinos

Mariana Del Valle Prieto Cervantes is GreenLatinos Water Equity and Ocean Program Manager. GreenLatinos is an active comunidad of Latino/a/ax leaders driven to secure our political, economic, culture and environmental liberation. Mariana has committed her life to help advocate for the Latinx community in the environmental movement. At GreenLatinos Mariana focuses on water equity priorities at the national level. With these policy priorities in mind, Mariana works to educate policymakers, stakeholders and the public-at-large to positively impact change for clean and affordable water, with our comunidades in mind.

Mark Magaña – Founding President & CEO, GreenLatinos

Mark Magaña is the Founding President & CEO of GreenLatinos, a national coalition of Latino environmental, natural resources, and conservation leaders. Mark is also the founder and principal of the Hispanic Strategy Group consulting firm. Mr. Magaña was the first Latino to serve as senior staff at both the White House and in Congressional leadership — as Special Assistant to President Clinton for Legislative Affairs and Senior Policy Advisor to the House Democratic Caucus Vice  Chair Robert Menendez. Mr. Magaña also served as a politically appointed Congressional Liaison at the Department of Health and Human Services (HHS). Additionally, he served as the Legislative Assistant to Congressional Representative Jim McDermott (D-WA), as a Federal Legislative Representative for the City of Los Angeles, and as a Research Assistant for the National Association of Latino Elected and Appointed Officials (NALEO).

Nsedu (Nse) Obot Witherspoon – Executive Director, Children’s Environmental Health Network

Nse is the Executive Director of the Children’s Environmental Health Network (CEHN), an organization she has been working with for 20 years now. Her background is public health, maternal and child health, environmental justice, and strategic collaborations.  CEHN is a national non-profit organization that has been working for close to 30 years to protect all children from environmental hazards. CEHN works actively to support peer-reviewed science in the field, to effectively translate that science into education, training, and action platforms, works toward child protective state and national policy development, and provides leadership on a variety of state and national coalitions. CEHN is dedicated to protecting especially the most vulnerable of children, ensuring that they get the start that they need and deserve.

Sarah Laskin – Vice President for National and International Conservation Programs, National Wildlife Federation 

Sarah Laskin serves as the Vice President for National and International Conservation Programs at the National Wildlife Federation, leading the organization’s work to implement national and international programs in the cause of conservation and to integrate these with regional program work. Sarah is an accomplished leader and facilitator with over 20 years of experience working with nonprofit organizations on global programs in conservation, science, public engagement, and storytelling.

Steve Moyer – Vice President for Government Affairs, Trout Unlimited

Steve serves as TU’s senior advocate on Capitol Hill and with the federal agencies.  He works with TU’s local chapters and state councils to help them with their state and local advocacy efforts and develops and implements TU grassroots advocacy campaigns. He has worked for TU for 19 years. Prior to joining TU, Steve led advocacy efforts at the National Wildlife Federation on behalf of fisheries, and wetlands, and related appropriations legislation. He holds a B.S. in Wildlife Management from the University of Maine and an M.S in Fisheries from Virginia Tech.